Water Quality in Othello, WA (99344)

EPA violation data for public water systems serving ZIP code 99344.

Total Violations

Health-Based

Monitoring / Reporting

Resolved

What does this mean?

92 of 93 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 93 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 57 Population served: 15,348

Violations Detail (93 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2024	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Benzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Carbon tetrachloride	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Liver problems; increased risk of cancer
1,1-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Increased risk of cancer
o-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Tetrachloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Liver problems; increased risk of cancer
CHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Liver problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Fluoride	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Fluoride	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Fluoride	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Fluoride	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2022	Resolved	N/A
Fluoride	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Fluoride	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Nov 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2021	Resolved	N/A
Fluoride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Bone disease (pain and tenderness of the bones); children may get mottled teeth
Nitrate	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(9)

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Revised Total Coliform Rule

Apr 30Resolved

Revised Total Coliform Rule

Jan 31Resolved

2024(32)

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Consumer Confidence Rule

Jun 30Active

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Consumer Confidence Rule

Jun 30Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Nitrate

Mar 31Resolved

cis-1,2-Dichloroethylene

Mar 31Resolved

Toluene

Mar 31Resolved

Benzene

Mar 31Resolved

1,1,2-Trichloroethane

Mar 31Resolved

trans-1,2-Dichloroethylene

Mar 31Resolved

1,1,1-Trichloroethane

Mar 31Resolved

Carbon tetrachloride

Mar 31Resolved

1,1-Dichloroethylene

Mar 31Resolved

1,2-Dichloroethane

Mar 31Resolved

Vinyl chloride

Mar 31Resolved

o-Dichlorobenzene

Mar 31Resolved

1,2,4-Trichlorobenzene

Mar 31Resolved

Ethylbenzene

Mar 31Resolved

DICHLOROMETHANE

Mar 31Resolved

Tetrachloroethylene

Mar 31Resolved

CHLOROBENZENE

Mar 31Resolved

p-Dichlorobenzene

Mar 31Resolved

Styrene

Mar 31Resolved

1,2-Dichloropropane

Mar 31Resolved

Trichloroethylene

Mar 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

How Does This Compare?

Othello (99344) has 93 recorded violations, none of which are health-based. 1 remains unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in Othello, WA (99344)

What does this mean?

Violations Detail (93 total)

Lead & Copper Levels

Violation Timeline

2025(9)

2024(32)

2023(26)

2022(12)

2021(14)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code